Temperature control range: -50 ~ 110'C - Resolution: 0.1 'C@-9.9 ~ 99.9' C 1'C other temperature 1 'C - Temperature measurement accuracy: 0.1 'C - Backlash accuracy: 0.1' C - Refresh rate: 0.55 seconds - Input Power: DC12V - Measuring input: NTC (10K 0.5%); waterproof sensor - Working temperature: -10 ~ 60 humidity 20% to 85% - Size: 48 X 40 - Power consumption: Static current: <= 35 mA; pick up current <= 65 mA - High temperature protection: 0 ~ 110'C - Display Type: 0.28 "LED digital tube red three. User Manual: http://m5.img.dxcdn.com/CDDriver/CD/sku.287285.docx